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Python lower

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The Python lower is one of the built-in String function which is used to convert the given string into Lowercase letters and return a new string.

In this article, we will show you how to convert a string to lowercase using lower Function in Python Programming with example.

TIP: The lower() Function will keep the Non-letters unchanged.

Python lower function syntax

The basic syntax of the lower function in Python Programming Language for a lowercase string is as shown below:

String_Value.lower()

String_Value: Please select the valid String variable, use a String directly.

lower Example

The following set of examples will help you understand how to convert a string to lowercase using the string lower in Python Programming Language.

# Python string lower() Method Example

Str1 = 'Learn PYTHON AT Tutorial GateWay'
Str2 = Str1.lower()
print('First Output of a Lower() method is = ', Str2)

# Observe the Original String
print('Converted String is = ', Str1.lower())
print('Original String is = ', Str1)

# Performing lower() function directly
Str3 = 'PYTHON ProGramming'.lower()
print('Second Output of a Lower() method is = ', Str3)

Str4 = 'PYTHON1234Tutorial'.lower()
print('Third Output of a Lower() method is = ', Str4)

Str5 = '12345'.lower()
print('Third Output of a Lower() method is = ', Str5)

OUTPUT

Python Lower

ANALYSIS

The following statement will convert the String variable Str1 into lowercase using lower() function, and prints the output

Str1 = 'Learn PYTHON AT Tutorial GateWay'
Str2 = Str1.lower()
print('First Output of a Lower() method is = ', Str2)

The Python lower() function will return the output in a new string, instead of altering the original string. Following statements will show you the same

# Observe the Original String
print('Converted String is = ', Str1.lower())
print('Original String is = ', Str1)

From the above screenshot, the original string Str1 is unchanged. If you want to change the original String, write the following statement

Str1 = Str1.lower()

The Python Lowercase function will only convert the letters into lowercase and leave other values unchanged. Within the following statements, we used the numeric values along with letters and you can see the output for further reference

Str4 = 'PYTHON1234Tutorial'.lower()
print('Third Output of a Lower() method is = ', Str4)

Str5 = '12345'.lower()
print('Third Output of a Lower() method is = ', Str5)